Faster Four state-of-the-art motors per car carry these bullets on steel wheels to a maximum safe speed of 115 km/h. These babies whir and provide a gentler ride.

Affordable The latest models do come with a hefty price tag, twice that of hybrid buses, but they last almost three times as long and are cheaper in the long run to operate.

Eco-friendly The microprocessor propulsion and control system causes less friction and has quicker acceleration using less power.

Connected The onboard information system gives passengers up-to-the-second info on arrival times and destinations and warns of problems further down the line.

Sexier John Q. Driver isn't going to crawl out of his Benz to get on a bus to get to work, but he might to ride in this space-age beauty. In fact, U.S. studies show that 64 per cent of car drivers are more attracted to light rail than to any other mode of public transit.